Avoid overflow/underflow in math.prod()
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stdlib
type-bug
- 主要语言
- Python
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描述
| BPO | 41458 |
|---|---|
| Nosy | @tim-one, @rhettinger, @mdickinson, @vedgar, @pablogsal, @websurfer5 |
| Files |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None
closed_at = None
created_at = <Date 2020-08-02.20:03:18.588>
labels = ['type-bug', 'library', '3.10']
title = 'Avoid overflow/underflow in math.prod()'
updated_at = <Date 2020-08-10.02:11:01.976>
user = 'https://github.com/rhettinger'
bugs.python.org fields:
activity = <Date 2020-08-10.02:11:01.976>
actor = 'tim.peters'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-08-02.20:03:18.588>
creator = 'rhettinger'
dependencies = []
files = ['49373']
hgrepos = []
issue_num = 41458
keywords = []
message_count = 28.0
messages = ['374693', '374734', '374737', '374745', '374748', '374914', '374915', '374921', '374927', '374928', '374929', '374943', '374959', '374960', '374962', '374964', '374966', '374968', '374969', '374970', '374984', '375048', '375049', '375052', '375054', '375075', '375078', '375091']
nosy_count = 6.0
nosy_names = ['tim.peters', 'rhettinger', 'mark.dickinson', 'veky', 'pablogsal', 'Jeffrey.Kintscher']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue41458'
versions = ['Python 3.10']
贡献指南
从这里开始
- 先读完整个 Issue，再读项目的贡献指南。
- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库，在一个分支上完成修改。
- 提交 Pull Request，并在描述里引用这个 Issue 编号。
调研方向
首先阅读链接的 sum_and_prod.py 提案以及 CPython 中现有的 math.prod() 实现。查看 issue 讨论，以确定 overflow 和 underflow 的预期行为，然后添加有针对性的回归覆盖；完成的标准是能够处理已达成一致的情况，同时不改变 math.prod() 的其他行为。
由索引模型根据 Issue 内容生成。
评估
- 技术栈
- python
- 领域
- backend
- Issue 类型
- 缺陷
- 难度
- 5/5
- 预计耗时
- 一周以上
- 活跃度
- 停滞
- 描述清晰度
- 需要澄清
- 新手友好度
- 25/100